为什么字体加粗没反应呢

来源：6-2 编程练习

KD_35

2018-04-23 02:14:18

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>canvas字体</title>
    <style>
        canvas{background-color:lightblue;}
    </style>
</head>
<body>
    <canvas id="canvas" width="800px" height="800px">您的浏览器不支持canvas
    </canvas>
    <script>
        var canvas=document.getElementById("canvas");
        var context=canvas.getContext('2d');
        var str="我要当前端程序员";
        context.font="30px 微软雅黑 bold";
        context.textAlign="center";
        context.textBaseLine="top";
        context.fillStyle="blue";
        var str1=context.measureText(str).width,
        str2="字体的width是:"+str1+"px";        
        context.fillText(str,400,500);
        context.fillText(str2,400,600);
        //此处补充代码
    </script>
</body>
</html>

写回答

1回答